"PrecisionmachinisT" wrote in
message ...

"Ignoramus329" wrote in message

The $40 blade is ruined.

So, I will be more careful!

You could add a hook for a hacksaw to test mystery metal. I use
10-for-a-dollar blue-painted blades on unknown steel, which is most of
my stock. They cut as well as good ones at first though they don't
stay sharp very long.